using System;
using System.Net;
using System.Threading.Tasks;
using JSONAPI.Documents;
using Newtonsoft.Json;
namespace JSONAPI.Json
{
///
/// Default implementation of IErrorFormatter
///
public class ErrorFormatter : IErrorFormatter
{
private readonly ILinkFormatter _linkFormatter;
private readonly IMetadataFormatter _metadataFormatter;
///
/// Creates a new errorFormatter
///
///
///
public ErrorFormatter(ILinkFormatter linkFormatter, IMetadataFormatter metadataFormatter)
{
_linkFormatter = linkFormatter;
_metadataFormatter = metadataFormatter;
}
public Task Serialize(IError error, JsonWriter writer)
{
writer.WriteStartObject();
if (error.Id != null)
{
writer.WritePropertyName("id");
writer.WriteValue(error.Id);
}
if (error.AboutLink != null)
{
writer.WritePropertyName("links");
writer.WriteStartObject();
writer.WritePropertyName("about");
_linkFormatter.Serialize(error.AboutLink, writer);
writer.WriteEndObject();
}
if (error.Status != default(HttpStatusCode))
{
writer.WritePropertyName("status");
writer.WriteValue(((int)error.Status).ToString());
}
if (error.Code != null)
{
writer.WritePropertyName("code");
writer.WriteValue(error.Code);
}
if (error.Title != null)
{
writer.WritePropertyName("title");
writer.WriteValue(error.Title);
}
if (error.Detail != null)
{
writer.WritePropertyName("detail");
writer.WriteValue(error.Detail);
}
if (error.Pointer != null || error.Parameter != null)
{
writer.WritePropertyName("source");
writer.WriteStartObject();
if (error.Pointer != null)
{
writer.WritePropertyName("pointer");
writer.WriteValue(error.Pointer);
}
if (error.Parameter != null)
{
writer.WritePropertyName("parameter");
writer.WriteValue(error.Parameter);
}
writer.WriteEndObject();
}
if (error.Metadata != null)
{
writer.WritePropertyName("meta");
_metadataFormatter.Serialize(error.Metadata, writer);
}
writer.WriteEndObject();
return Task.FromResult(0);
}
public Task Deserialize(JsonReader reader, string currentPath)
{
// The client should never be sending us errors
throw new NotSupportedException();
}
}
}